[INFO] fetching crate flowrider 0.1.1...
[INFO] checking flowrider-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate flowrider 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate flowrider 0.1.1
[INFO] finished tweaking crates.io crate flowrider 0.1.1
[INFO] tweaked toml for crates.io crate flowrider 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flowrider 0.1.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flowrider 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42a272219de09c6713fe9b6bd1201029d91f69f4bbea4e3c094366cefdb79dd9
[INFO] running `Command { std: "docker" "start" "-a" "42a272219de09c6713fe9b6bd1201029d91f69f4bbea4e3c094366cefdb79dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a272219de09c6713fe9b6bd1201029d91f69f4bbea4e3c094366cefdb79dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a272219de09c6713fe9b6bd1201029d91f69f4bbea4e3c094366cefdb79dd9", kill_on_drop: false }`
[INFO] [stdout] 42a272219de09c6713fe9b6bd1201029d91f69f4bbea4e3c094366cefdb79dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd14c2668ba058228f35ffecf9a4879010ea7d8376afade784f0e7ff3bac904
[INFO] running `Command { std: "docker" "start" "-a" "fdd14c2668ba058228f35ffecf9a4879010ea7d8376afade784f0e7ff3bac904", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling rustls v0.23.27
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking trim-in-place v0.1.7
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]    Compiling pyo3-build-config v0.25.0
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking rust-ini v0.21.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.0
[INFO] [stderr]    Compiling pyo3 v0.25.0
[INFO] [stderr]    Compiling numpy v0.25.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking aws-region v0.25.5
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]    Compiling pyo3-macros v0.25.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking moka v0.12.10
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking quick-xml v0.32.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking attohttpc v0.28.5
[INFO] [stderr]     Checking pythonize v0.25.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking aws-creds v0.37.0
[INFO] [stderr]     Checking rust-s3 v0.35.1
[INFO] [stderr]     Checking flowrider v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<DatasetIterator, Infallible>
[INFO] [stdout]    --> src/lib.rs:376:91
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn get_iter(&self, epoch: u64, worker_id: u16, num_workers: u16, resume: Option<u64>) -> DatasetIterator {
[INFO] [stdout]     |                                                                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowrider` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<DatasetIterator, Infallible>
[INFO] [stdout]    --> src/lib.rs:376:91
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn get_iter(&self, epoch: u64, worker_id: u16, num_workers: u16, resume: Option<u64>) -> DatasetIterator {
[INFO] [stdout]     |                                                                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowrider` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fdd14c2668ba058228f35ffecf9a4879010ea7d8376afade784f0e7ff3bac904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd14c2668ba058228f35ffecf9a4879010ea7d8376afade784f0e7ff3bac904", kill_on_drop: false }`
[INFO] [stdout] fdd14c2668ba058228f35ffecf9a4879010ea7d8376afade784f0e7ff3bac904
